<template>
  <view>
    <view class="goods-item">
      <!-- 商品左侧图片区域 -->
      <view class="goods-item-left">
        <radio :checked="goods.goods_state" color="#C00000"  v-if="showRadio" @click="radioClickHandler"></radio>
        <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
      </view>
      <!-- 商品右侧信息区域 -->
      <view class="goods-item-right">
        <!-- 商品标题 -->
        <view class="goods-name">{{goods.goods_name}}</view>
        <view class="goods-info-box">
          <!-- 商品价格 -->
          <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
          <!-- 商品数量 -->
          <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" @change="numChangeHandler"></uni-number-box>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    name:"my-goods",
    props:{
      goods: {
        type:Object,
        default:{}
      },
    // 是否展示图片左侧的 radio
    showRadio: {
      type: Boolean,
      // 如果外界没有指定 show-radio 属性的值，则默认不展示 radio 组件
      default: false,
    },
    // 是否展示价格右侧的 NumberBox 组件
        showNum: {
          type: Boolean,
          default: false,
        },
    },
    data() {
      return {
        defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
      };
    },
    filters:{
      tofixed(num) {
        return Number(num).toFixed(2)
      }
    },
    methods:{
      radioClickHandler() {
        this.$emit('radio-change', {
      // 商品的 Id
      goods_id: this.goods.goods_id,
      // 商品最新的勾选状态
      goods_state: !this.goods.goods_state
    })
      },
      numChangeHandler(val) {
        this.$emit('num-change',{
          goods_id : this.goods.goods_id,
          goods_count : val - 0
        })
      }
    }
  }
</script>

<style lang="scss">
.goods-item {
  width: 750rpx;
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;

  .goods-item-left {
    margin-right: 5px;

    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }

  .goods-item-right {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: space-between;
  
    .goods-name {
      font-size: 13px;
    }
  
    .goods-info-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
  
    .goods-price {
      font-size: 16px;
      color: #c00000;
    }
  }
}
.goods-item-left {
  margin-right: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;

  .goods-pic {
    width: 100px;
    height: 100px;
    display: block;
  }
}
</style>
